"previous deliberation, prior consideration, forethought," early 15c., premeditacioun, from Old French premeditacion and directly from Latin praemeditationem (nominative praemeditatio) "consideration beforehand," noun of action from past-participle stem of praemeditari "to consider beforehand," from prae "before" (see pre-) + meditari "to consider," from a frequentative form of PIE root *med- "take appropriate measures."